The pilot on the Ravager's base is the SpiderMech's pilot. He's a reposed Ygs mercenary from Critical Mass Games.

Here are some primed and based CMG Arc Fleet Augments, some of my favorite power armors in all of 15mm-dom.

I glue on the four small jump jets on to the legs. Each leg can mount up to three jets, enabling you to customize where you want to put them. There are mounting points on the top of the thigh, back of the calf, and side of the calf. I go for the two calf mounts on each leg.